/*
 * @Description: 
 * @version: 
 * @Company: 
 * @Author: GeYang
 * @Date: 2019-11-14 15:09:53
 * @LastEditors: 
 * @LastEditTime: 2019-11-14 15:20:16
 */
// var arr = Array();
// arr.push(1);

// var arr1 = [1];

// console.dir(arr);

// console.dir(arr1);

// console.log( arr === arr1);

// var obj = Object();
var arr = [1 ,2 ,3 ,4 ,5];

for (var index = 0; index < arr.length; index++) {
   
    console.log(arr[index]);

}

console.log(index);